<h1>Nette\Component attaching/detaching test</h1>

<pre>

'a' becoming 'b' parent
C::ATTACHED(A)
B::ATTACHED(A)

removing 'b' from 'a'
C::detached(A)
B::detached(A)

'a' becoming 'b' parent
C::ATTACHED(A)
B::ATTACHED(A)

'e' looking 'a'
b-c-d-e

checking 'a-b-c'
bool(TRUE)

